The special features in the Siamese cats and Himalayan rabbits is an example of adaptation.
What is adaptation?Adaptation refers to the special features or structures that an organism possesses which makes it better suited to survive and reproduce in its environment.
Adaptations helps an organism to:
find foodfind matesavoid predators survive extreme climatic conditionsThe features in the Siamese cats and Himalayan rabbits due to enzyme activity that varies with temperature is an example of adaption.
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Amoeba Sisters: Video Recap Pedigrees HELP
Based on inheritance patterns, se_x-linked traits are present on the se_x chromosomes while autosomal traitsare found on the autosomes.
What is a dominant allele?A dominant allele is a copy of a gene which always appears in every generation.
A pedigree is a chart that shows the inheritance of triats in generations of families.
Based on the pedigree given:
The genotype of the individual #1 is XBXb since the offspring are XBXb and XbYIn the pattern of inheritance, all males receive their X chromosome from their mother.
Se_x-linked pedigrees differ from autosomal pedigrees because the traits are located on the se_x chromosomes.
An autosomal dominant trait require only one allele.
Based on the pedigree, the genotype of the offspring are hH, hH and hH based on the genotype of the parents.
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What structures in the human body carry out some of the same function as xylem and pholoem
Answer:
Veins arteries and capillaries
The structures in the human body that carry out some of the same function as xylem and phloem are veins, arteries, and capillaries.
What do you mean by Xylem and Phloem?Xylem and phloem are the vascular tissues that transport water, minerals, and food from the roots to the leaves and from the leaves to the roots respectively.
Xylem and phloem represent homology with the veins and arteries. Veins carry blood back towards your heart, while arteries carry blood away from your heart.
Capillaries are blood vessels that carry the oxygen and nutrients from the blood and transport them into the tissues and organs. It also requires the elimination of the waste products away from your tissues.
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what is the name of the process that appears in the diagram below?
What process creates the carbohydrates in this ecosystem?
Answer:
Photosynthesis creates the carbohydrates in the ecosystem.
Explanation:
Photosynthesis requires sunlight, carbon dioxide, and water as starting reactants.
Plant and animal cells are classified as what type of cell?.
Answer:
eukaryotic
Explanation:
can someone help me out with this? i truly don't understand it :]
Hi! I believe the answer is D. The sun's gravity keeps the earth from floating away (which is what the blue arrow represents). It's being constantly pulled towards the sun, keeping it in orbit (represented by the purple arrow)
I'm not quite sure what the pink arrow is supposed to be
Let me know if you still don't understand :)
The section of dna being used to make the strand of mrna is known as a.
The section of DNA being used to make the strand of mRNA is known as the transcription unit.
What are transcription units?Transcription units are base sequences of DNA that make up a single mRNA molecule during the process of transcription.
During gene expression, genes are first transcribed to genetic codes in mRNA molecules before being translated to their respective proteins.
Each unit of transcription represents a gene along with non-coding base sequences in DNAs, otherwise known as introns.
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While walking a cornfield, you notice roots emerging from the corn stalks themselves, and you suspect that these roots are helping to hold the plants upright. these roots belong to a category of roots known as ________.
a) taproots.
b) fibrous roots.
c) adventitious roots.
d) root hairs.
e) special roots.
Since fibrous roots grow from the side of monocot plants, the plant roots observed on the corn stalk are fibrous roots.
What are fibrous roots?Fibrous roots are roots of plants which are usually seen on the surafce above ground and which grow from the side of plants.
Monocotyledons such as corn have fibrous roots.
The fibrous roots help to provide support and strength to the plant.
Therefore, the plant roots observed on the corn stalk are fibrous roots.
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Which term describes the idea that Earth’s landforms change at a constant, steady rate?
How did gravity affect the growth of the germinating corn seeds?
Answer:
see below
Explanation:
their roots respond positively, growing down, into the soil, and their stems respond negatively, growing upward, to reach the sunlight.
Gravity influenced the growth of germinating corn seeds by providing the directional cue for root growth and promoting proper orientation of the plant.
Gravity plays a crucial role in plant growth and development, particularly during the germination of seeds. When a germinating corn seed is placed in a gravitational field, gravity acts as a guidance mechanism for the growing seedling.
In response to gravity, the root of the germinating seed grows in a downward direction, a process known as gravitropism or geotropism. This downward growth of the root is called positive gravitropism. The root responds to the gravity stimulus by redistributing auxin, a plant hormone, towards the lower side of the root. This causes cells on the lower side of the root to elongate more than cells on the upper side, leading to downward growth. The downward growth of the root helps anchor the plant in the soil and facilitates water and nutrient absorption from the ground.
Simultaneously, gravity also influences the shoot of the germinating corn seed. The shoot exhibits negative gravitropism, where it grows upward against the force of gravity. This upward growth is counterbalanced by the downward growth of the root, allowing the plant to establish proper orientation.
Without the presence of gravity, the germinating corn seeds would not be able to establish the proper orientation and direction of growth. The root may not grow downward, leading to irregular and inefficient water and nutrient absorption. The shoot may not grow upward, resulting in an abnormal and compromised overall plant structure.
Therefore, gravity serves as a crucial external factor that guides the growth of germinating corn seeds, ensuring proper root development, anchorage, and shoot orientation for successful plant growth.
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can someone help me with these three?
pls help ill give brainliest and 5 starts
Answer:
1 boundary
2 geography
3 plate tectonics
4 plate
A sample of DNA contains 120 nucleotides, if 35 nucleotides are Guanine, how many nucleotides are Thymine?
(If you can show how you do it that would be great)
Answer:
25
Explanation:
In DNA, Guanine pairs with Cytosine, and Thymine pairs with Adenine. This tells us that there are equal numbers for each Guanine and Cytosine, and Thymine and Adenine. When there's 35 Guanine, there should be 35 Cytosine that goes with it. 120 - 2(35) = 50. The remaining 50 nucleotides are Thymine and Adenine, and since they are the same number, divide 50 by 2. 50 ÷ 2 = 25. There are 25 thymine in the sample of DNA.
Rods and cones are similar in that they both _____.
Answer:
Explanation:
Rods and cones are similar in that, they both are parts of the retina and are responsible for vision. Other than that, their functions are complete opposite of each other.
What is the shape of DNA when it is not undergoing replication?
Explanation:
If DNA replication does not occur, then the cell cycle will not proceed to the next stage and the subsequent division will not happen. It will lead to cell death.
The bulk of each tooth consists of a mineralized matrix similar to that of bone called:.
You created a formula in cell c8. When you copy the formula into cell d8, which action are you taking?.
We are changing the content in the formula to the content in cell D8.
What cells is the question referring to?The question refers to the cells that we find in computer data processing programs that include a spreadsheet as the main tool.
In these programs we can edit each cell with different information and include formulas so that the cell data depends on others.
According to the situation presented, the first action we performed was to establish a formula in cell C8 to obtain the result of an operation in that cell. Later, we change it to cell D8, then we will see the result of that same operation in cell D8.
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Why is it significant that the two strands of dna are antiparallel.
Answer:
because of its hydrogen bonding between the complementary nitrogenous base pairs.
A chemical change occurs when.
A the identity of a substance changes but its appearance does not.
B neither the appearance of a substance nor its identity changes.
C both the physical properties of a substance and its identity change.
D
the appearance of a substance changes but its identity does not.
Answer:
Im not 100 percent sure but I think C because a chemical change occurs when the chemical has broken composure so I think its C.
A chemical change occurs when both the physical properties of a substance and its identity change. The correct option is C.
What are chemical changes?A chemical change is a change when the identity of a substance changes, and it converts into a new substance with new characteristics and a new identity.
When iron comes in contact with oxygen, it changes into rust, and it is a chemical change. A chemical change is a transformation in which the substance's chemical composition is altered through atom rearrangement. Atomic alterations cause changes in the molecular structure.
Chemical properties are those property properties of a substance that does not depend on the quantity of that substance.
Therefore, the correct option is C. both the physical properties of a substance and its identity change.
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You are looking at a specimen under the microscope, what would you use to adjust the light being focused in on the slide?.
Condenser Lens is located under the stage which is responsible for focusing the light on the specimen.
What is Condenser Lens?The condenser lens collects light from sources and redirects the light beam so that it falls on the projector's lens system.
So we can conclude that condenser Lens is located under the stage which is responsible for focusing the light on the specimen.
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hello people ~
Potable water is
(a) ocean water
(b) groundwater at selected places
(c) river water
(d) ponds water
Answer:
Ground water
Explanation:
Potable water refers to drinkable water or water which is safe to drink
Ocean water is salty not drinkableRiver water may be impurePonds water may be dusty so impureOption B is correct
Both liver cells and lens cells have the genes for making the proteins albumin and crystalline. However, only liver cells express the blood protein albumin and only lens cells express crystalline, the main protein in the lens of the eye. Both of these genes have enhancer sequences associated with them.
The claim that gene regulation results in differential gene expression and influences cellular products (albumin or crystallin) is best supported by evidence in which of the following statements?
Liver cells possess transcriptional activators that are different from those of lens cells.
Liver cells and lens cells use different RNA polymerase enzymes to transcribe DNA.
Liver cells and lens cells possess the same transcriptional activators.
Liver cells and lens cells possess different general transcription factors.
The correct statement is liver cells possess transcriptional activators that are different from those of lens cells.
What are Transcriptional activators?Transcriptional activators are specific protein sequences capable of activating gene expression.
These transcription factors (transcriptional activators) act to regulate gene expression in target cells.
Transcriptional activators are factors that enable the expression of certain genes in particular cell types.
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The threadlike structures found in the nucleus of each human cell and made up of deoxyribonucleic acid are called.
This Is Multiple Choice!!!
The motion of the Earth is modeled here as it moves on its axis and around the Sun. Which of these statements correctly identifies
how the illustration supports the concepts of seasons on Earth? Select ALL that apply.
A)
The tilt of the Earth is responsible for the seasons.
B)
The rotation of the Earth is responsible for the seasons
Eliminate
c)
The proximity of the Earth to the Sun is responsible for the seasons.
D)
The revolution of the Earth around the sun is responsible for the seasons.
E)
The intensity of the sunlight on Earth is different as the Earth revolves
around the sun
Answer:
this might not be right I don't know much about earth science but I believe your answer is A) D)and possibly B)
Explanation:
I hope this is right!
Answer:
its b and c
Explanation: its simple common sense like are you serious right now
Document 6: the geography of japan sample response: both england and japan were island nations and, as a result, were easily defendable. they both had many ports and good access to the ocean. both were commercial powers and had strong navies. which of these ideas did you include in your response? select all that apply. both were island nations. both had strong navies. both were strong commercially. both were physically small. both had many ports and good access to the ocean and trade.
Both were island nations and had strong navies.
Both were strong commercially and had many ports and good access to the ocean and trade.
Geography of England and JapanBoth England and Japan were island nations because both are surrounded by water. Both had strong navies due to advance in technology.
Both were strong commercially and economically due to production of large number of goods which make their economies very strong. Both countries had many ports and good access to the ocean and trade which make them a strong economic power.
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Answer:
A,C,E or 1,3,5
Explanation:
Major areas of science include
physical science
basics science
life science
ethical science
social science
Answer:
physical earth and life science
Explanation:
Answer:
physical earth and life science
Explanation:
Which element provides strength to the exoskeletons of clams and oysters?
sulfur
oxygen
hydrogen
phosphorus
Answer:
phosphorus
Explanation:
Since Phosphorus is an essential component of phospholipids, nucleic acids, phosphoproteins (casein), high energy phosphate esters (ATP), hexose phosphates, creatine phosphate, it also provides strength to the exoskeletons of clams and oysters.
Answer:phosphorus
Explanation:
which of the following questions about the origin of life on earth is most scientifically testable
A scientific question can be answered by experiments. The most scientifically testable question is; can simple organic molecules form spontaneously in an oxygen-free atmosphere?
What is a scientifically testable question?We say that a question is scientifically testable if its answer can be found by carrying out a scientific research on the question.
Now having seen the question and considering all the options listed, the most scientifically testable question is; can simple organic molecules form spontaneously in an oxygen-free atmosphere?
Missing parts:
Which of the following questions about the origin of life on Earth is most scientifically testable? (A) Why were the earliest life-forms created using only twenty amino acids? (B) Did life originate to make the universe a better place? (C) Was catalytic RNA used by ancient organisms as a stepping stone to acquire protein enzymes? (D) Can simple organic molecules form spontaneously in an oxygen-free atmosphere?
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How does adh and aldosterone work to incrase blood volume levels
Answer:
Aldosterone causes an increase in salt and water reabsorption into the bloodstream from the kidney thereby increasing the blood volume, restoring salt levels and blood pressure.
Explanation:
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